High and low temperature test chamber_Rapid temperature change test chamber_Product

Category: Rapid temperature change test chamber

High and low temperature test chamber

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Model: XHD-100L, XHD-150L, XHD-225L, XHD-408L, XHD-800L,

Rapid changes in temperature can cause materials to expand and contract, which can create stresses inside the product, potentially causing it to deform, crack, or even fail. Rapid temperature change testing can assess the product's ability to resist these stresses.Electrical performance: Changes in temperature can affect the electrical properties of electronic components, such as resistance, capac

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Temperature rapid temperature change test chamber

model	XHD-80ML	XHD-100ML	XHD-150ML	XHD-225ML	XHD-408ML	XHD-800ML
Working size	400500400mm	500400500mm	500600500mm	5006007500mm	700800800mm	80010001000mm
Outer box size	85011001450mm	95011001450mm	110012001700mm	115012001700mm	120014001900mm	130016002100mm
power	4.5 KW	5 KW)	6 KW	8 KW	9 KW	10 KW
Temperature range	A:-20℃～150℃ B:-40℃～150℃ C:-60℃～150℃ D:-70℃～150℃
Humidity range	20%～98%R.H
Average heating rate	The heating rate is adjustable, the slowest heating rate is 3℃/min (no load).
Average cooling rate	The cooling rate is adjustable, the slowest cooling rate is 5℃/min (no load), or the cooling rate specified by the customer
Temperature fluctuation	±1℃
Temperature uniformity	±2℃
Humidity deviation	3%R.H
Heating rate	1.0～3.0℃/min
Cooling rate	0.7～1.0℃/min
Controller	Microcomputer digital display controller/GDJS imported programmable touch controller
Accuracy range	Setting accuracy: temperature ±0.1℃, humidity ±1%R.H, indication accuracy: temperature ±0.1℃, humidity ±1%R.H
Temperature and humidity sensor	Platinum resistor PT100Ω
Heating system	Fully independent system, nickel-chromium alloy electric heating heater
Humidification system	All stainless steel shallow surface evaporative humidifier
Dehumidification system	Adopt evaporator coil dew point temperature laminar contact dehumidification method
Water supply system	The humidification water supply is automatically controlled and the surplus water can be recycled to save water and reduce consumption.
Refrigeration system	French original "Taikang" fully enclosed air-cooled single-stage/cascade compressor refrigeration method
Circulatory system	Heat-resistant and low-noise air-conditioning motor. Multi-blade centrifugal impeller
Outer box material	High quality carbon steel plate. Phosphate electrostatic spray treatment
Inner box material	SUS304 stainless steel plate
Insulation material	Polyurethane rigid foam
Door frame insulation	Double-layer high and low temperature resistant aging silicone rubber door sealing strip
Test hole	2 sets of sample racks, 1 test lead hole
Security protection	Leakage, short circuit, over-temperature, water shortage, motor overheating, compressor overpressure, overload, over-current protection/controller power failure memory
Supply voltage	AC220V±10％ 50±0.5Hz three-phase four-wire, or specified by each country
Operating ambient temperature	5℃～＋30℃ ≤85％R.H
Non-standard high and low temperature humidity test chambers can be customized according to the specific requirements of users

The standards and requirements for rapid temperature change tests mainly include the following aspects:
Standard: The standard for rapid temperature change tests is GB/T 2423.22-2012 "Basic environmental testing for electronic and electrical products Part 2: Test Nb: Temperature change test (rapid temperature change)

Test content‌: The rapid temperature change test mainly includes the process of the product undergoing multiple rapid switching between high and low temperatures, aiming to simulate the use of the product in extreme environments‌

Temperature change rate: The temperature change rate for rapid temperature change tests is generally 3℃/min, 4℃/min, 5℃/min, 7℃/min or 10℃/min.

‌Other standards‌: In addition to GB/T 2423.22-2012, there are other related standards such as IEC 60068-2-14 (temperature change test), MIL-STD-810 (military standard), ISO 16750 (environmental test for road vehicles) and ASTM D 1037 (performance test for wood)‌